202881 has 8 divisors (see below), whose sum is σ = 309184. Its totient is φ = 115920.

The previous prime is 202879. The next prime is 202889. The reversal of 202881 is 188202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202881 - 2¹ = 202879 is a prime.

It is a super-2 number, since 2×202881² = 82321400322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 9661 = 202881 / (2 + 0 + 2 + 8 + 8 + 1).

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 202881.

It is not an unprimeable number, because it can be changed into a prime (202889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4810 + ... + 4851.

It is an arithmetic number, because the mean of its divisors is an integer number (38648).

2²⁰²⁸⁸¹ is an apocalyptic number.

202881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202881 is a deficient number, since it is larger than the sum of its proper divisors (106303).

202881 is an equidigital number, since it uses as much as digits as its factorization.

202881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 202881 is about 450.4231343970. The cubic root of 202881 is about 58.7598202990.

The spelling of 202881 in words is "two hundred two thousand, eight hundred eighty-one".